Full list of all 60 Saints Row 2 achievements worth 1,250 gamerscore. It takes around 80-100 hours to unlock all of the achievements in the base game.
The base game contains 50 achievements worth 1,000 Gamerscore, and there are 2 DLC packs containing 10 achievements worth 250 Gamerscore.
Defeated the Ronin
Defeated the Brotherhood
Defeated the Sons of Samedi
Defeated the Ultor Corporation epilogue
Exacted revenge on Julius
Completed all levels of Demolition Derby
Completed all levels of Drug Trafficking
Completed all levels of Fight Club
Completed all levels of FUZZ
Completed all levels of Heli Assault
Completed all levels of Trail Blazing
Completed all levels of Insurance Fraud
Delivered all the cars to the chop shops
Killed all Hitman targets
Got 3 gold stars in Vehicle Surfing
Hit 100 lifetime nut shots
Won all seven Ranked Strong Arm Activities, and won on all seven Strong Arm maps
Found and sprayed all 50 tags in Stilwater
Found all CDs in Stilwater
Earned 7 Badges in multiplayer
Won 10 Xbox LIVE Strong Arm matches
Taunted 50 gang members
Completed all levels of all activities
Completed all levels of Mayhem
Completed all Brotherhood missions in co-op
Completed all Samedi missions in co-op
Completed all Ronin missions in co-op
Gambled $500,000 total lifetime
Played Saints Row 2 in single player or co-op for a combined 50 hours
Defeated your partner in a co-op diversion
Mugged 50 citizens of Stilwater
Completed all races in Stilwater
Completed all levels of Escort
Completed all levels of Crowd Control
Created and won an Xbox LIVE Party Game
Completed all levels of Septic Avenger
Completed all levels of Snatch
Completed the Strong Arm tutorial
Completed the Zombie Uprising video game
Sung along to the radio
Grabbed 50 human shields
Threw someone a long, long way
Completed the Saints Revival prologue
Complete all levels of Tow Truck, Fire Truck, Ambulance, and Taxi diversions
Find all stunt jumps in Stilwater
Find all flying stunt locations in Stilwater
Complete all campaign missions in co-op
Complete all levels of all activities in co-op
Earn 15 Multiplayer Badges
Earn 30 Multiplayer Badges
Called Tera as a homie
Played the Co-op Mission game once
Hosted or played in a party match on Xbox LIVE
Completed the Ultor Exposed mission arc
Win the Co-op competitive mission game 5 times
Completed the Corporate Warfare mission arc
Play the Stuntmen Co-op game once
Win 20 rounds in the Stuntmen Co-op game
Your team needs to hold all tag spots at one time in a Strong Arm match on Xbox LIVE
Won 10 Gangster Brawls or Team Gangster Brawls on Xbox LIVE